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4420144031 = 41229470779
BaseRepresentation
bin1000001110111011…
…00000101110011111
3102102001021120201012
410013131200232133
533023024102111
62010335005435
7214351414202
oct40735405637
912361246635
104420144031
1119690686a6
12a3436987b
13555996b54
142dd07d939
151ad0b748b
hex107760b9f

4420144031 has 8 divisors (see below), whose sum is σ = 4547734800. Its totient is φ = 4293495360.

The previous prime is 4420144013. The next prime is 4420144039. The reversal of 4420144031 is 1304410244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4420144031 is a prime.

It is a super-2 number, since 2×44201440312 = 39075346509569857922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4420143988 and 4420144006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420144039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226001 + ... + 244778.

It is an arithmetic number, because the mean of its divisors is an integer number (568466850).

Almost surely, 24420144031 is an apocalyptic number.

4420144031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4420144031 is a deficient number, since it is larger than the sum of its proper divisors (127590769).

4420144031 is a wasteful number, since it uses less digits than its factorization.

4420144031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471049.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4420144031 is about 66484.1637610040. The cubic root of 4420144031 is about 1641.1394063735.

Adding to 4420144031 its reverse (1304410244), we get a palindrome (5724554275).

The spelling of 4420144031 in words is "four billion, four hundred twenty million, one hundred forty-four thousand, thirty-one".

Divisors: 1 41 229 9389 470779 19301939 107808391 4420144031